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62b7f5931c
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry-picked from commit f07e572f64)
42 lines
1.1 KiB
Diff
42 lines
1.1 KiB
Diff
From 747df57eabbe2e3b5bd47e268aa42658a57749ca Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 3 Feb 2021 16:23:43 +0000
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Subject: [PATCH] ARM: dts: Declare Pi400 and CM4 have no audio pins
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The audio_pins node is left as a placeholder for the audremap overlay,
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and it must have (empty) brcm,function and brcm,pins properties
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otherwise it will be rejected by the pinctrl driver.
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See: https://www.raspberrypi.org/forums/viewtopic.php?f=98&t=301891
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/bcm2711-rpi-400.dts | 4 ++--
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arch/arm/boot/dts/bcm2711-rpi-cm4.dts | 2 ++
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2 files changed, 4 insertions(+), 2 deletions(-)
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--- a/arch/arm/boot/dts/bcm2711-rpi-400.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-400.dts
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@@ -495,8 +495,8 @@
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&gpio {
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audio_pins: audio_pins {
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- brcm,pins = <40 41>;
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- brcm,function = <4>;
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+ brcm,pins = <>;
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+ brcm,function = <>;
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};
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};
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--- a/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
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+++ b/arch/arm/boot/dts/bcm2711-rpi-cm4.dts
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@@ -434,6 +434,8 @@
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&gpio {
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audio_pins: audio_pins {
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+ brcm,pins = <>;
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+ brcm,function = <>;
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};
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};
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